From Dragon&Fly Scans:

AKB48 Murder Case is a detective manga series adapted from the all-female Japanese idol group’s “Murder Mystery” commercials for Glico’s “Ice no Mi” candy campaign. In the story, AKB48 members discover the body of fellow idol Kato Rena. Maeda Atsuko arrives at the murder scene and begins to handle the case. All 89 current members of the idol group become suspects. The manga series will be 9 chapters long.